040E0052 https://collections.naturalsciences.be/ssh-geology-archives-plone6/boreholes/descriptions/ocr-descriptions/040e/040e0052 https://collections.naturalsciences.be/ssh-geology-archives-plone6/@@site-logo/logo-rbins.jpg 040E0052 PL. LOCHRISTI 40E M.MOURLON - Vendredi 8 mars 1895 52 (II) Sondage à Wynkel q4 Sable quartzeux jaune 2.40